RT Journal Article SR Electronic T1 Prevalence, indication and duration of proton pump inhibitor use in patients from unselected admissions JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP s29 OP s29 DO 10.7861/clinmed.20-2-s29 VO 20 IS Suppl 2 A1 Mohammed Hameed A1 Charlotte Stephens A1 Rizwan Hamer YR 2020 UL http://www.rcpjournals.org/content/20/Suppl_2/s29.abstract